Infusionstherapie und Transfusionsmedizin
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The purpose of this article is to review the facilities of early enteral nutrition in critically ill patients. ⋯ Clinical performance as well as efficiency of enteral nutrition seem to be essentially dependent on the intestinal blood flow. New methods for estimating intestinal blood flow, such as tonometry, will have to be evaluated especially in critically ill patients to improve the indications for enteral nutrition.